This experimental study presents the feasibility of the production of more durable concrete with marble dust as partial replacement of cement by 5%, 10%, 15% and 20% by weight. Standard concrete cube specimens of size Read More ...

Learn MoreThe final mix proportions of M-20 grade of concrete become:- ... derive mix design for M20 and M25 concrete….. if fine aggregate and cement is partially replaced ... please show your detail work conversion to weight.

Learn MoreThe Question is How much sand and aggregate required for the one cubic meter of M20 grade concrete? Answer :- 20mm aggregate = 0.90M3 Sand = 0.45M3 to 0.5M3 depond on the Bulk density of Sand ...

Learn Moreand conventional concrete of three grades M20,M30,M40, using design approach IS, ACI, USBR, RN No.4 and BRITISH. The results indicate that the compressive , flexural strength and durability of concrete made with quarry rock dust are 10% more than the conv

Learn MoreWe indeed can. I’ll tell you a small instance why my answer is yes. In Tamil Nadu, India, there’s a court order on mining followed by a mining ban. So the requirement of sand for many high scale projects couldn’t be met.

Learn MoreThe volume of concrete – (L x B x D) = 5 x 2 x 0.1 = 1 Cum. Volume of Concrete = 1 Cum. We find out the volume of concrete in wet condition 1m 3 (After the consolidation of Cement+sand+water). So in dry conditions, we have to add 30 to 35% sand bulkage an

Learn MoreNov 22, 2019 · By using M20 and M25 concrete grade for both natural and manufactured and were prepared for normal strength concrete using a water cement ratio and cement contents. The results of the hardened properties of the mixes have shown that concre

Learn MoreOur mix-on-site concrete calculation is based on batching by volume (Large construction sites employ batching by weight which is more exact). You can also estimate the quantity of sand and gravel required by weight; Simply multiply the volumetric quantity

Learn Moreof fine aggregate by using Steel slag and M- sand. The m ain objective of this investigation is to study experimentally the effect of partial replacement of fine aggregate by Steel slag and M-sand on the various strength properties of concrete by using th

Learn MoreDetailed analysis on M20 = 1:1.5:3 (Ratio) As we know that during concreting when we place wet concrete , it gets harden after certain standard time( 30 mins IST & 10hrs FST), considering same it had be decided upon by Civil design Engineers to take a fac

Learn MoreMar 23, 2018 · Density of M20,M25 and M30 is to be taken as 25kn/m^3. Similarly for higher grade of concrete and for high strength of concrete up to M60 grade of concrete the density will be 27.5 kn/m^3.

Learn MoreFollowing table shows unit weight of materials used at construction site. Please note this is for reference purpose only and may vary from place and type of material.

Learn MoreFeb 10, 2018 · in this Video Lecture today I will teach you How to calculate Cement, Sand, and Aggregate for M20 concrete For Reading Article click on given link: https://c...

Learn MoreI would like to know the approximate total cost for M20 concrete when I use 645 bags of cement of 50 Kg using Msand and 20 mm aggregate..Approx cost is 380 Rs per bag. Would appreciate your quick feedback.

Learn MoreFor e.g., a concrete mix of proportions 1:2:4 means that cement, fine and coarse aggregate are in the ratio 1:2:4 or the mix contains one part of cement, two parts of fine aggregate and four parts of coarse aggregate. The proportions are either by volume

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